Using CCOC(=O)C(CCN1CCN(c2cccc(C)c2)CC1)C(C)=O, Cc1cccnc1N to produce Cc1cccc(N2CCN(CCc3c(C)nc4c(C)cccn4c3=O)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.