Using O=C1c2ccccc2C(=O)N1O, c1ccc(P(c2ccccc2)c2ccccc2)cc1 to produce CC(C)ON1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.