Using COC(=O)c1nc(-c2ccc(N(C)C)cc2)nc2ccccc12 to produce CN(C)c1ccc(-c2nc(C(=O)O)c3ccccc3n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.