Using O=C(NC1C2CC3CC(C2)CC1C3)N1CCCC2(Cc3ccccc3C2=O)C1 to produce O=C(NC1C2CC3CC(C2)CC1C3)N1CCCC2(Cc3ccccc3C2O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.