Using O=C(O)c1ccc(CC(=O)c2ccc(F)cc2)cc1, CCNCC to produce CCN(CC)C(=O)c1ccc(CC(=O)c2ccc(F)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.