Using [OH-], CC1(CO)Cc2nnc(C3(c4ccc(-c5ccc(C(N)=O)cn5)cc4)CC3)n2CCS1 to produce CC1(CO)Cc2nnc(C3(c4ccc(-c5ccc(C(=O)O)cn5)cc4)CC3)n2CCS1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.