Using CCOC(=O)c1cnc2c(=O)n(Cc3ccc(OC)cc3)ccc2c1O to produce COc1ccc(Cn2ccc3c(O)c(CO)cnc3c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.