Using c1ccc(-c2cccnc2N2CCNCC2)nc1, COc1cccc(OCCCl)c1 to produce COc1cccc(OCCN2CCN(c3ncccc3-c3ccccn3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.