Using Cc1nccn1-c1ccc(Nc2nc3c(c(NC4CCCCC4)n2)CN(C(=O)OC(C)(C)C)CC3)cc1 to produce Cc1nccn1-c1ccc(Nc2nc3c(c(NC4CCCCC4)n2)CNCC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.