Using CCCC1(C=O)CCCN1C(=O)OC(C)(C)C, Clc1ccc(Br)nc1Cl to produce CCCC1(C(O)c2ccc(Cl)c(Cl)n2)CCCN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.