Using O=C(n1ccnc1)n1ccnc1, O=C(O)CC(c1ccccc1)N1Cc2ccccc2C1=O to produce NC(=O)CC(c1ccccc1)N1Cc2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.