Using CCOC(=O)Nc1cccc(Cn2nc(-c3ccc(CC(=O)O)cc3)ccc2=O)c1, CC(C)(C)OC(=O)NCCCCN to produce CCOC(=O)Nc1cccc(Cn2nc(-c3ccc(CC(=O)NCCCCNC(=O)OC(C)(C)C)cc3)ccc2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.