Using O=C(OCc1ccccc1)N1CCC(NN=C(Br)C(F)(F)F)CC1, COC(=O)C(=O)CC(C)=O to produce COC(=O)c1c(C(C)=O)c(C(F)(F)F)nn1C1CCN(C(=O)OCc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.