Using COc1cccc(CCc2ccccc2OC[C@H]2CCCN2C(=O)OC(C)(C)C)c1 to produce COc1cccc(CCc2ccccc2OC[C@H]2CCCN2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.