Using O=C(O)CC1CCCc2c1[nH]c1c(F)cc(F)cc21, Clc1ccc(CBr)cc1 to produce O=C(O)CC1CCCc2c1n(Cc1ccc(Cl)cc1)c1c(F)cc(F)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.