Using CCOC(=O)c1cc2cccc(OC[C@@H](O)CN3CCC(c4ccc5ccccc5c4)CC3)c2o1 to produce O=C(O)c1cc2cccc(OC[C@@H](O)CN3CCC(c4ccc5ccccc5c4)CC3)c2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.