Using CC(C)(C)OC(=O)N1CCc2nc(CCCCN3CCN(c4ccc5ccccc5n4)CC3)n(N)c(=O)c2C1 to produce Nn1c(CCCCN2CCN(c3ccc4ccccc4n3)CC2)nc2c(c1=O)CNCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.