Using O=C([O-])[O-], COc1ccc(Cn2ncc3c(Nc4ccnc(Cl)n4)cccc32)cc1 to produce COc1ccc(Cn2ncc3c(N(C)c4ccnc(Cl)n4)cccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.