Using COC(=O)c1c(-c2c(OC)cccc2OC)ccc2c1NC(=O)C(C)(C)N2 to produce CC1(C)Nc2ccc3c(c2NC1=O)c(=O)oc1cccc(O)c13, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.