Using COc1ccc(Cn2c(=O)n3ncnc3c3cc(C=O)sc32)cc1, C1CNCCOC1 to produce COc1ccc(Cn2c(=O)n3ncnc3c3cc(CN4CCCOCC4)sc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.