Using CON, CCOC(Cc1ccc(OCCn2c(=O)sc3cc(C(=O)c4ccccc4)ccc32)cc1)C(=O)OC to produce CCOC(Cc1ccc(OCCn2c(=O)sc3cc(C(=NOC)c4ccccc4)ccc32)cc1)C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.