Using ClCc1nc2ccccc2o1, CC(C)COc1cc(N2CCNC(=O)C2)ncn1 to produce CC(C)COc1cc(N2CCN(Cc3nc4ccccc4o3)C(=O)C2)ncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.