Using COC(=O)c1ccc(N2CC3(CCNCC3)OC2=O)cc1, Clc1cc(CBr)cc(Br)c1Cl to produce COC(=O)c1ccc(N2CC3(CCN(Cc4cc(Cl)c(Cl)c(Br)c4)CC3)OC2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.