Using COC(=O)CN(CCNC(=O)OC(C)(C)C)C(=O)Cc1cc2ccc(C)nc2[nH]c1=O to produce Cc1ccc2cc(CC(=O)N(CCNC(=O)OC(C)(C)C)CC(=O)O)c(=O)[nH]c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.