Using Clc1ccc2nncn2n1, OCCCN1CCN(C(c2ccccc2)c2ccccc2)CC1 to produce c1ccc(C(c2ccccc2)N2CCN(CCCOc3ccc4nncn4n3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.