Using CCCCOC(=O)c1cc2c(C(=O)C(NC(C)C)C(=O)OCCCC)ccc(O)c2[nH]1 to produce CCCCOC(=O)CC(C)NCC(O)c1ccc(O)c2[nH]c(C(=O)OCCCC)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.