Using CC(C)(C)OC(=O)N1CCC[C@H]1C(=O)OCC(=O)c1ccccc1 to produce O=C(COC(=O)[C@@H]1CCCN1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.