Using COC(=O)c1ccc(N)c(N)c1, CC(C)(C)OC(=O)NCCCCC(=O)O to produce COC(=O)c1ccc(N)c(NC(=O)CCCCNC(=O)OC(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.