Using O=C1CCN(C(=O)OCc2ccccc2)CCN1CCCC(=O)N1CCC2(CC2)[C@H](O)C1 to produce O=C1CCNCCN1CCCC(=O)N1CCC2(CC2)[C@H](O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.