Using COCCOc1ccn2c(-c3ccc4cccc(OC[C@H]5CCCN5C(=O)OC(C)(C)C)c4n3)cnc2c1 to produce COCCOc1ccn2c(-c3ccc4cccc(OC[C@H]5CCCN5)c4n3)cnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.