Using O=C1CC2(CCCCC2Cc2ccccc2)S(=O)(=O)CCN1, ClCc1ccccn1 to produce O=C1CC2(CCCCC2Cc2ccccc2)S(=O)(=O)CCN1Cc1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.