Using COc1ccccc1OCC(O)CN1CCC(=O)CC1, NCCNC1CCNCC1 to produce COc1ccccc1OCC(O)CN1CCC(NCCNc2ccncc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.