Using COC(=O)C1=Cc2cc(C3=NNN(C)N3)ccc2OCC1, CO to produce Cn1nnnc1-c1ccc2c(c1)C=C(C(=O)O)CCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.