Using CCOC(=O)c1ccc(CBr)c(C(F)(F)F)c1, CC(C)(C)OC(=O)N[C@H]1CCNC1=O to produce CCOC(=O)c1ccc(CN2CC[C@H](NC(=O)OC(C)(C)C)C2=O)c(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.