Using C#CCN1CCC2(CC1)c1ccccc1Oc1c(OC)cccc12, Cl to produce Oc1cccc2c1Oc1ccccc1C21CCN(CC=CCl)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.