Using O=C(O)CCc1c[nH]c2ccccc12, COC(=O)c1ccccc1N to produce COC(=O)c1ccccc1NC(=O)CCc1c[nH]c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.