Using O=C1c2ccccc2-c2oc(=O)c3ccccc3c21, COC(=O)CN to produce COC(=O)Cn1c2c(c3ccccc3c1=O)C(=O)c1ccccc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.