Using CI, COC(=O)c1c(C(=O)OC)c2n(c1C)Cc1[nH]c3ccccc3c1C2 to produce COC(=O)c1c(C(=O)OC)c2n(c1C)Cc1c(c3ccccc3n1C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.