Using COC(=O)[C@H]1CC[C@H](Cn2c(=O)[nH]c3ccccc3c2=O)CC1, CI to produce Cn1c(=O)n(C[C@H]2CC[C@H](C(=O)O)CC2)c(=O)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.