Using O=c1oc2ccccc2c2c1CNCC2, ClCCN1CC2CCCC(C2)C1 to produce O=c1oc2ccccc2c2c1CN(CCN1CC3CCCC(C3)C1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.