Using COC(CN(C)Cc1csc2ccc(Cl)cc12)OC, O=C=O to produce COC(CN(C)Cc1c(C(=O)O)sc2ccc(Cl)cc12)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.