Using Cc1cc(C)c2c(c1C)OC(=O)C2c1ccc(C(C)C)cc1, CI to produce Cc1cc(C)c2c(c1C)OC(=O)C2(C)c1ccc(C(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.