Using O=C(CC(CC1CCCCC1)C(=O)N1C(=O)OCC1Cc1ccccc1)N1CCOCC1, OO to produce O=C(O)C(CC(=O)N1CCOCC1)CC1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.