Using CCc1ccc(NC(=O)C2(NC(=O)OC(C)(C)C)CCN(C(=O)OCc3ccccc3)CC2)cc1 to produce CCc1ccc(NC(=O)C2(NC(=O)OC(C)(C)C)CCNCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.