Using O=C1NC(=O)c2ccccc21, COC(=O)c1ccc(CO)n1C to produce COC(=O)c1ccc(CN2C(=O)c3ccccc3C2=O)n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.