Using CC(CCN(CCCCCCCN(CCC(C)N(C)C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)N(C)C(=O)OC(C)(C)C to produce CNC(C)CCNCCCCCCCNCCC(C)NC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.