Using CNC(=O)OCc1ccc(Cl)c(CN(C(=O)OC(C)(C)C)C2CC2)c1 to produce CNC(=O)OCc1ccc(Cl)c(CNC2CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.