Using FC(F)(F)CCCBr, COC(=O)[C@H](Cc1c[nH]cn1)NC(=O)OC(C)(C)C to produce COC(=O)[C@H](Cc1cn(CCCC(F)(F)F)cn1)NC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.