Using CCN1C(=O)CN=C(c2ccccc2F)c2cc(C(C)=O)ccc21, CNC to produce CCN1C(=O)CNC(c2ccccc2F)c2cc(C(C)N(C)C)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.