Using Cc1ccc2c(N3CCN(C(=O)Cc4cccc(-n5cccn5)c4)CC3)cccc2n1 to produce Cc1ccc2c(N3CCN(CCc4cccc(-n5cccn5)c4)CC3)cccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.