Using COCCBr, COc1cc(-c2nn(C3CCNC3)c3ncnc(N)c23)ccc1NC(=O)c1cc2ccccc2n1C to produce COCCN1CCC(n2nc(-c3ccc(NC(=O)c4cc5ccccc5n4C)c(OC)c3)c3c(N)ncnc32)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.