Using O=C(O)C1CN(C(=O)c2ccc(F)cc2)CCc2c1[nH]c1ccccc21, NCc1ccccc1 to produce O=C(NCc1ccccc1)C1=CN(C(=O)c2ccc(F)cc2)CCc2c1[nH]c1ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.