Using CC(C)(C)OC(=O)NCCCCCCCCCCCC(=O)O, CN(C)CCCN to produce CN(C)CCCNC(=O)CCCCCCCCCCCNC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.