Using CN(C)C1CCN(C(=O)c2ccc3[nH]c(C(=O)N4CCC(F)(F)CC4)cc3c2)C1, BrCC1CC1 to produce CN(C)C1CCN(C(=O)c2ccc3c(c2)cc(C(=O)N2CCC(F)(F)CC2)n3CC2CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.