Using COC(OC)OC, CNc1c(N)ccc2c(=O)c(-c3ccc(C4(NC(=O)OC(C)(C)C)CCC4)cc3)c(-c3ccccc3)oc12 to produce Cn1cnc2ccc3c(=O)c(-c4ccc(C5(NC(=O)OC(C)(C)C)CCC5)cc4)c(-c4ccccc4)oc3c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.