Using CN(CCO)c1ccc(-c2cc3nccnc3c(NC[C@@H]3CN(C(=O)OC(C)(C)C)CCO3)n2)cc1 to produce CN(CCO)c1ccc(-c2cc3nccnc3c(NC[C@@H]3CNCCO3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.