Using O=C(CC1CCC(c2ccc(-c3ccc(Nc4nnc(C5CCC5)o4)cc3)cc2)CO1)OCc1ccccc1 to produce O=C(O)CC1CCC(c2ccc(-c3ccc(Nc4nnc(C5CCC5)o4)cc3)cc2)CO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.