Using CC(C)(C)OC(=O)NCC(=O)CCC(=O)OC(C(=O)OC(C)(C)C)c1ccccc1 to produce NCC(=O)CCC(=O)OC(C(=O)O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.