Using CC(C)(C)OC(=O)NCCCC(=O)O, CCOC(=O)Nc1cccc(Cn2nc(-c3cccc(N)c3)ccc2=O)c1 to produce CCOC(=O)Nc1cccc(Cn2nc(-c3cccc(NC(=O)CCCNC(=O)OC(C)(C)C)c3)ccc2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.