Using CC(C)(C)OC(=O)NCCn1c(=O)n(C2CCN(C3(c4ccccc4)CCCCCC3)CC2)c2ccccc21 to produce NCCn1c(=O)n(C2CCN(C3(c4ccccc4)CCCCCC3)CC2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.