Using CCc1ccc(C=O)cc1, NC1CCN(CCn2c(=O)cnc3ccc(F)cc32)CC1 to produce CCc1ccc(CNC2CCN(CCn3c(=O)cnc4ccc(F)cc43)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.