Using O=C1CCc2cc(N3CCNCC3)ccc2N1, COc1cc2ncnc(Cl)c2cc1OC to produce COc1cc2ncnc(N3CCN(c4ccc5c(c4)CCC(=O)N5)CC3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.