Using CC(C)(C)OC(=O)NCc1ccc(CCl)cc1, CCOC(=O)c1cc2c(Cl)ccc(O)c2n1C to produce CCOC(=O)c1cc2c(Cl)ccc(OCc3ccc(CNC(=O)OC(C)(C)C)cc3)c2n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.