Using C=C1c2c(O)cc(C=O)cc2N2CC3NC3C1(O)O2, CI to produce C=C1c2c(OC)cc(C=O)cc2N2CC3NC3C1(O)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.