Using C=CCC1c2ccc(OCOC)cc2OC(=O)C1c1ccc(OCOC)cc1, CI to produce C=CCC1c2ccc(OCOC)cc2OC(=O)C1(C)c1ccc(OCOC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.