Using OCc1cccc2c1CC(=CCCN1CCC(O)(c3ccc(Cl)cc3)CC1)c1cccnc1O2 to produce O=Cc1cccc2c1CC(=CCCN1CCC(O)(c3ccc(Cl)cc3)CC1)c1cccnc1O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.