Using CCOC(=O)c1cc(-c2ccccc2)n(-c2ccc(OC)cn2)n1 to produce COc1ccc(-n2nc(C(=O)O)cc2-c2ccccc2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.