Using CC1CN(C(=O)OC(C)(C)C)CCC1=O, Clc1ccc(Br)cc1 to produce CC1CN(C(=O)OC(C)(C)C)CCC1(O)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.