Using Cn1c(C2CCCN2CCNC(=O)OC(C)(C)C)cc(-c2ccncc2)c(-c2ccc3ccccc3c2)c1=O to produce Cn1c(C2CCCN2CCN)cc(-c2ccncc2)c(-c2ccc3ccccc3c2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.