Using CCCCc1ccc(C=O)cc1, O=C(CNC(=O)c1cccc(C(F)(F)F)c1)N[C@@H]1CCNC1 to produce CCCCc1ccc(CN2CC[C@@H](NC(=O)CNC(=O)c3cccc(C(F)(F)F)c3)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.